Windproof-type overall steel bracket mounting method

An installation method and windproof technology, applied in the field of steel wrist arm, can solve the problems of inapplicability and installation requirements that cannot meet the installation requirements of the overall windproof steel wrist arm structure

Active Publication Date: 2015-01-07
THE 1ST ENG CO LTD OF CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP
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Problems solved by technology

The existing wrist-arm calculation method cannot be applied to the calculation of this wrist-arm structure, and the installation ...

Method used

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  • Windproof-type overall steel bracket mounting method
  • Windproof-type overall steel bracket mounting method

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Embodiment Construction

[0254] The present invention will be further described below in conjunction with specific examples, but they are not used to limit the scope of the present invention.

[0255] A method for installing a windproof integral steel wrist arm, comprising the following steps:

[0256] 1) First measure the basic parameters required when the windproof integral steel wrist arm is installed in a specific position, including the height measurement of the wrist arm base, the measurement of the slope of the pillar and the limit measurement;

[0257] 2) Establish a windproof integral steel wrist arm model

[0258] Establish a coordinate system. The origin of the coordinates is the intersection point of the horizontal plane where the midpoint of the rail surface connection line at the steel wrist-arm pillar is to the longitudinal centerline of the inner surface of the pillar. Line, the Y-axis selects the vertical line of the horizontal plane where the middle point of the rail-surface connect...

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Abstract

Disclosed is a windproof-type overall steel bracket mounting method. The windproof-type overall steel bracket mounting method includes: firstly, measuring basic parameters required when a windproof-type overall steel bracket is mounted on a specified position; secondly, establishing a model of the windproof-type overall steel bracket; thirdly, respectively calculating the position of a bearing wire, the dimension of a flat inclined bracket, a support position, a positioning pipe and parameters of relevant dimensions in a coordinate frame of the model; finally taking calculating results as the design dimension of the steel bracket and performing processing and mounting according to the design dimension. Point-to-point positioning of the coordinate frame is adopted, the parameters of connecting parts are taken into consideration, the dimensions and positions of the parts are accurately calculated out, the bracket is more accurate in dimension, success rate in mounting is guaranteed, time for on-site mounting and adjusting is greatly shortened, skylight point time is effectively utilized, and on-site construction efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the steel wrist arm used in the field of railway traffic electromechanical, in particular to a windproof type integral steel wrist arm installation method. Background technique [0002] Calculation and installation method of electrified catenary arm for high-speed railway has taken shape in Beijing-Tianjin intercity high-speed railway, China's first high-speed railway. The present invention is based on the harsh environmental conditions in Xinjiang. In order to improve the structural strength, rigidity and reliability of the wrist-arm and the wind-resistant stability and adaptability of the catenary system, the present invention adopts an overall windproof rigid wrist-arm structure, and its corresponding positioning device adopts a Round tube type elastic limit positioner with shedding function. The existing arm calculation method cannot be applied to the calculation of this arm structure, and the installation requirements of ...

Claims

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Application Information

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IPC IPC(8): B60M1/20G06F19/00
Inventor 李长波李继亮郑晗连进秦俊非
Owner THE 1ST ENG CO LTD OF CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP
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